1911 Encyclopædia Britannica, Volume 18… (1911)
“ The rainfall is light in the lower regions and irrigation is generally employed. Notwithstanding its mountainous character, Morelos is one of the most flourishing agricultural states of Mexico, producing sugar, rice, Indian corn, coffee, wheat, fruit and vegetables. Although the state is supposed to have several of the minerals found in this part of Mexico (silver, cinnabar, iron, lead, gold, petroleum and coal) , its mining industries, continue undeveloped and neglected. ”
